Friday

April 25, 2014

April 25, 2014

Number of results: 95,002

**m/c**

Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
*Thursday, May 20, 2010 at 8:55pm by Thara!*

**statistics page on jiskha**

Does anyone find the picture as funny as I do? http://www.jiskha.com/math/statistics/ It's a baby holding a statistics textbook.
*Tuesday, September 9, 2008 at 11:48am by Leo*

**statistics**

Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
*Tuesday, May 18, 2010 at 3:44pm by cortez*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*Tuesday, November 29, 2011 at 12:12am by shirley*

**statistics**

I've got to do a project in my math statistics unit. Surveying people on a resturant. How do I do a draft on poster paper?
*Tuesday, May 17, 2011 at 1:47pm by Hunter*

**Statistics**

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
*Monday, October 11, 2010 at 3:10pm by Kathy*

**statistics anova**

a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
*Monday, February 27, 2012 at 3:04pm by caryn*

**Statistics**

In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" ...
*Saturday, November 16, 2013 at 8:55pm by kitty*

**writing **

Which of the following statements is not a general rule for using statistics in a classroom speech? A The more statistics the better. Use statistics sparingly Make sure information is up to date Round off long numbers.
*Thursday, May 10, 2012 at 12:28pm by Anonymous*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*Friday, June 3, 2011 at 7:08pm by neil*

**Psychology**

An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false impression of certainty and ...
*Tuesday, April 23, 2013 at 4:11pm by J.J*

**statistics**

We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the probability of observing 39...
*Sunday, August 8, 2010 at 2:01pm by yamini*

**Math/Statistics**

A statistics teacher believes that the final exam grade for her elementary stats class have a normal distribution with a mean of 82 and a standard deviation on 8. Find the score which separates the top 10% of the scores from the lowest 90% of the scores.
*Sunday, August 11, 2013 at 8:51pm by Sean*

**Statistics**

1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" Is the statement descriptive statistics or inferential statistics? b) "58 percent of the people in NYC do not have type O+ blood" Is the statement ...
*Saturday, November 16, 2013 at 10:42pm by kitty*

**math/statistics**

Could anyone explaint to me what role the Binomial Theory plays in statistics and probability? Using statistics, we can make statements about a population based on sample data. Probability helps us make those statements. The binomial theory can be used to determine ...
*Tuesday, March 6, 2007 at 10:11pm by Jennie*

**Statistics**

Of 500 randomly selected people in new york city, 210 people had O+ blood. "58 percent of the people in NYC do not have type O+ blood" Is the statement descriptive statistics or inferential statistics?
*Sunday, November 17, 2013 at 5:08pm by kitty*

**Statistics**

3. A professor is interested in whether there is a difference in counseling students’ statistics competency scores among 1) those who have never taken any statistics course, 2) those who have only taken an undergraduate statistics course, 3) those who have taken COUN 503, and ...
*Sunday, December 9, 2012 at 10:25am by Ke Ke*

**math**

The probability that Luis will pass his statistics test is 0.37. Find the probability that he will fail his statistics test.
*Tuesday, July 12, 2011 at 7:25pm by candy*

**statistics**

12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...
*Sunday, February 26, 2012 at 3:08pm by tim*

**Statistics- Math **

Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. n=550 x= 220, 90% confidence The margin of error E = (round to four decimal places)
*Thursday, February 9, 2012 at 3:44pm by Jessica Adamas*

**Statistics**

Use a x squared-test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15
*Wednesday, December 26, 2007 at 5:00pm by Brandon*

**Statistics**

Use a chi-squared test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15
*Thursday, December 27, 2007 at 11:37am by Brandon*

**Intro to Healthcare Statistics**

Discuss how statistics are generated and how statistical information is used by healthcare organizations. Explore the NC State Center for Health Statistics at the following website and discuss at least two types of statistic health information that NC collects.
*Sunday, August 25, 2013 at 7:29pm by tammy*

**statistics health care**

Why are measures of central tendency essential to descriptive statistics?
*Sunday, November 9, 2008 at 5:01pm by marsh*

**Statistics**

Can someone please give specific examples of how psychologists use statistics
*Sunday, June 26, 2011 at 7:11pm by Carla*

**statistics**

The mean annual income of employees who took a statistics course is greater than $60,000.
*Wednesday, December 12, 2012 at 1:13pm by john*

**statistics in health care**

Why are measures of variability essential to inferential statistics?
*Saturday, July 26, 2008 at 10:52am by jean*

**statistics**

What does the word "typical" have to do in relation to statistics? Is it the same as mode?
*Thursday, October 22, 2009 at 9:27pm by mike*

**Statistics**

Construct a descriptive statistics for 100 employees using intervals of 0-4, 4-8, 8-12, 12-16, 16-20.
*Tuesday, January 26, 2010 at 9:44am by Bryant*

**Statistics**

Two ways in which practical statistics outweighs statistical significance?
*Monday, November 22, 2010 at 5:22pm by Chrissy*

** Business Statistics**

I looking for statistics practice exercise solution from chapter 12 by Roanld Weiers
*Sunday, August 9, 2009 at 7:24pm by Heidy*

**Statistics**

On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on 1/14/20xx, two on 1/21/20xx, and six on 1/28/20xx. a) "City Hospital averaged four herion overdoses in their ER for the last three Firday evenings" Is the statement ...
*Saturday, November 16, 2013 at 10:44pm by kitty*

**statistics**

the mean IQ of statistics teachers is greater than 110. write the existing state and alternative hypotheses.
*Thursday, July 5, 2012 at 8:56pm by jeff*

**statistics**

the average score on the statistics quiz was a 70, and there was a standard deviation of 10 points. If the z-socre was -1.0 what is the percentile rank?
*Sunday, March 2, 2014 at 1:04pm by kim*

**statistics in automotive**

what type of statistics are used in manufacture company's
*Wednesday, August 6, 2008 at 3:54pm by AJ*

**statistics**

What is a great topic to do a research paper on and apply statistics?
*Monday, October 5, 2009 at 7:00pm by stat*

**P Value Math Statistics**

Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0 for the given level of significance a. two-tailed test with test statistic z= -1.57 and a=0.04
*Sunday, February 24, 2013 at 11:23pm by Katie*

**Statistics**

8.Using the following statistics to describe a distribution of data, what is the interquartile range? Minimum = 13 Q1 = 25 Median = 54 Q3 = 72 Maximum = 98 25. 12. 85. 47.
*Thursday, March 27, 2014 at 11:26pm by Shawn*

**Statistics**

To do inferential procedures comparing two proportions, we need another variance formula (our ruler). This formula is based on what principle? A) The variance of the difference of two statistics is the difference of the variances of each statistic. B) The variance of the ...
*Friday, November 15, 2013 at 7:30pm by Katie*

**statistics**

In a statistics class of 45 students, 12 have a strong intrest in statistics. If two students are selected at random from this class, what is the propability that both of them have a strong interest in statisitcs?
*Monday, March 31, 2014 at 4:31am by ashley *

**statistics**

i am working out of the statistics in action text book and i need help with chapter 9 e39-e47 odds i do not understand it
*Wednesday, May 13, 2009 at 3:37pm by kolbey*

**Statistics**

Is the following classified as interval, ordinal or nominal data? The marks achieved by the students in a statistics course out of 100.
*Wednesday, September 29, 2010 at 11:40am by Rhea*

**statistics**

what are the variables of statistics according to functional relatipnships?
*Wednesday, June 25, 2008 at 5:07am by rhea*

**statistics**

why are measures of variability essential to inferential statistics
*Tuesday, September 29, 2009 at 7:13pm by bernice*

**Statistics**

What is the Central Limit Theorem and how can it be used in statistics?
*Wednesday, October 14, 2009 at 7:41pm by Martin*

**statistics**

Why are measures of variability essential to inferential statistics?
*Monday, May 17, 2010 at 3:42pm by Rebecca*

**statistics**

Why are measures of variability essential to inferential statistics?
*Monday, June 28, 2010 at 1:22pm by Jill*

**Grammar (Ms. Sue)**

Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages REPRESENT statistics...
*Wednesday, March 27, 2013 at 6:09pm by Anonymous*

**statistics**

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. What is the percentile rank of a score of 89?
*Thursday, July 7, 2011 at 5:29pm by Anonymous*

**statistics**

I need to post some thought on using either the multiplication rule or probability to answer a question on my online statistics.
*Sunday, July 10, 2011 at 3:07pm by keri*

**Statistics**

2. Obtain and interpret descriptive statistics (Mean, Median, Variance, and Std. Dev.). Include the STATA outputs in your results. (Use Stat command “tabstat crimerat police59, statistics(mean, p50, var, sd)” (3 pts) . tabstat crimerat police59,statistics (mean, p50, var, sd) ...
*Tuesday, November 8, 2011 at 11:54am by Mikey*

**statistics**

Can someone tell me how to run data in Megastat on attribute values. I have an assignment and I need to get descriptive statistics on education levels
*Wednesday, October 1, 2008 at 9:31pm by Madison*

**Criminal Justice**

What are the possible causes of the large disparity between official sources of crime statistics and the results of these other statistics projects?
*Monday, October 6, 2008 at 4:37pm by Bridgett*

**statistics**

I need a good research question for my statistics project. I have to compare two to calculate the difference. variance/standard deviation etc.
*Tuesday, April 19, 2011 at 2:41pm by Kimberly*

**statistics**

Suppose the following summary statistics are obtained from a large group of individuals:X =52.0, Sx= 8.7, Y =147.3, Sy = 16.9. Dorothy receives an Xscore of 52. What is her predicted Y score if r = o?
*Wednesday, July 27, 2011 at 10:34pm by Tina*

**statistics**

consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
*Wednesday, March 11, 2009 at 5:06pm by Angela*

**statistics**

consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
*Wednesday, March 11, 2009 at 5:10pm by Angela*

**statistics**

Using the descriptive statistics for the weight of the babies in ounces suppose a friend of yours has given birth to a 10 pound 3 ounce baby. Is this unusual? why or why not?
*Tuesday, January 28, 2014 at 12:58pm by Anonymous*

**statistics**

in statistics, if they say at least 5, than it means that it's x<5 or x>5?
*Monday, January 19, 2009 at 5:24pm by Anonymous*

**Statistics**

Is anyone really good at research statistics?
*Friday, February 26, 2010 at 10:30pm by Sarah*

**statistics**

what is the 4σ rule of thumb in statistics
*Tuesday, January 25, 2011 at 3:08am by noel*

**statistics**

In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability that a student selected at random from the class, has passed in only one subject is
*Thursday, March 22, 2012 at 10:09pm by Anonymous*

**business**

Prepare a 700- to 1,050-word paper in which you describe the use of statistics within your workplace or a company with which you are familiar. Address the following questions in your paper: • How are statistics used in your workplace? • What is one example of descriptive ...
*Sunday, June 5, 2011 at 10:37pm by angela*

**statistics**

18 workers at a large assembly plant were asked the time it took to commute to work. The data was analyzed in Minitab and the Descriptive Statistics for the data appears below. Descriptive Statistics: Minutes Variable N Mean Median TrMean StDev SE Mean Minutes 18 30.06 29.50 ...
*Sunday, December 9, 2012 at 11:38am by Anonymous*

**Statistics**

In the population of typical college students, _ 5 75 on a statistics final exam _X 5 6.42 . For 25 students who studied statistics using a new technique, X 5 72.1. Using two tails of the sampling distribution and the .05 criterion: (a) What is the critical value? (b) Is this ...
*Friday, February 14, 2014 at 6:57am by Anonymous*

**Math Help**

According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were placed into a drum and one (1) name was ...
*Thursday, September 22, 2011 at 8:22am by Jamie*

**college pre statistics**

consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
*Wednesday, March 11, 2009 at 5:11pm by Angela*

**college**

describe how statistics can be important and influential in the nursing profession. Provide at least two examples where you have observed statistics to contribute positively to the needs of the customer.
*Tuesday, October 19, 2010 at 9:29pm by Elena*

**Statistics**

In the following two questions, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ ...
*Thursday, November 14, 2013 at 12:12pm by Kitty*

**Statistics**

A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence Interval: (.43, .63). based on the interval above, is the population proportion of females equal ...
*Monday, November 22, 2010 at 11:41pm by Anonymous*

**Statistics**

In the following two questions, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ ...
*Friday, November 15, 2013 at 9:45am by kitty*

**statistics**

3. You obtain the following regression statistics for the relationship between defect rate and volume at one of your plants. You have a random sample of results from 160 shifts at the plant.
*Saturday, January 1, 2011 at 11:14pm by john*

**statistics**

A random sample of 12 joggers was asked to keep track and report the number of miles they ran last week. The responses are: 5.5 7.2 1.6 22.0 8.7 2.8 5.3 3.4 12.5 18.6 8.3 6.6 Compute the three statistics that measure central location
*Sunday, January 8, 2012 at 11:26pm by Anonymous*

**statistics**

A survey was taken in various Statistics classes and the following regression equation was obtained regarding the height and weight of students in the Statistics classes. Regression equation Height = 56.8 + 0.0712 Weight Given the regression equation above, what is the correct...
*Wednesday, April 9, 2014 at 2:12pm by Mea*

**stats**

Which test do you use to solve this problem One-sample or independent samples t-test? Over the summer I asked my statistics students to report their gender and their level of statistics anxiety. Using a one-tailed test, determine whether females have more statistics anxiety ...
*Tuesday, March 5, 2013 at 12:11pm by Anonymous*

**stats**

Which test do you use to solve this problem One-sample or independent samples t-test? Over the summer I asked my statistics students to report their gender and their level of statistics anxiety. Using a one-tailed test, determine whether females have more statistics anxiety ...
*Tuesday, March 5, 2013 at 12:11pm by Anonymous*

**environmental science**

Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ...
*Thursday, August 27, 2009 at 1:26pm by y912f*

**m/c**

A researcher is hired by a company to ascertain the morale of company employees. The company employs over 10,000 employees. The researcher takes a random sample of 237 employees, interviews each sampled employee, and uses the information to project the results to all employees...
*Thursday, May 20, 2010 at 8:29pm by Thara!*

**English**

Mandy interviewed a source who told about how she was illegally treated by the police. Using her information in the speech is an example of: A. facts and statistics. B. narrative. C. testimony. D. hypothetical example. i'm confused between B & C 2. An advantage of using ...
*Friday, April 5, 2013 at 1:05pm by Amy*

**statistics**

A random sample of 36 statistics students were asked to add a column of numbers. The amount of time required to compute the sum was recorded for each student. The sample mean time was 54 seconds with a sample standard deviation of 18 seconds. 1. Construct a 95% confidence ...
*Thursday, March 22, 2012 at 1:09pm by Maggi*

**statistics**

There are approximately 27 class days for Applied Statistics this semester. If you miss 3 classes, approximately what percent of the course have you missed?
*Monday, October 3, 2011 at 7:55am by Mary*

**Statistics**

In the following two questions, identify which choices would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" Is the statement descriptive statistics or ...
*Thursday, November 14, 2013 at 12:11pm by Kitty*

**Statistics Psychology**

I do not understand how to find the critical values of the test statistics. I also need help understanding how to find the standard error as well. Thank you!
*Tuesday, May 10, 2011 at 4:13pm by Kailey*

**statistics**

The average for the statistics exam was 72 and the standard deviation was 4. Kelsey was told by the instructor that she scored 1.85 standard deviations below the mean.
*Tuesday, December 3, 2013 at 4:23am by Anonymous*

**crimmial justice**

what do they mean when asked about prison crime statistics. And were can I find statistics about prisons.
*Tuesday, October 21, 2008 at 3:33am by jscott1*

**business statistics**

why the use of calculators and/or computer programs is good or bad for students taking Business statistics?
*Thursday, July 30, 2009 at 8:56pm by Samantta*

**Research and Statistics**

What factors influence the size of the t-statistics( mean difference, variance, sample size) and which way?
*Monday, February 10, 2014 at 1:47pm by Erica*

**statistics**

a. A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that x is 10. Estimate the population mean with 90% confidence.
*Monday, August 15, 2011 at 11:00pm by Sally*

**com220**

Some students might be tempted to overuse statistics to make uo for length in their research essays if they have problems generating sufficient text. How can writers strive for balance when using statistics?
*Sunday, October 26, 2008 at 10:38am by lynn*

**bio statistics**

using descriptive statistics for weight gain, a friend of yours had a baby and gained approximately 30 pounds during pregnancy. Explain to her why she should not be too depressed over this occurrence.
*Tuesday, January 28, 2014 at 1:03pm by Anonymous*

**STATISTICS**

A Statistics teacher has the following test scores : 93, 72, 80, 95, 90, 70, 91, 85, 86, 100 What is the median test score of these grades ?
*Thursday, June 3, 2010 at 2:07pm by Jake*

**statistics**

what is the use of statistics in production?
*Wednesday, October 8, 2008 at 3:51am by Anonymous*

**math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.
*Sunday, May 6, 2012 at 5:38pm by jennifer*

**Math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.
*Thursday, June 21, 2012 at 3:13am by Jameson*

**Math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.
*Thursday, June 21, 2012 at 3:15am by Jameson*

**Statistics**

The confidence interval below for the population variance is based on the following sample statistics: n = 25, x-bar = 31.1, and s = 4.2. 9.29 < standard deviation squared < 42.82 What is the degree of confidence?
*Sunday, July 22, 2012 at 6:52pm by Ann*

**Research and Statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*Saturday, September 11, 2010 at 10:39am by Moreen*

**M/C**

A researcher studies the effectiveness of managers at a small company containing 46 employees. The researcher interviews every employee, gathers data, analyzes the data, and writes up a report of her findings for company management. Company management uses the report to ...
*Thursday, May 20, 2010 at 9:04pm by Thara!*

**statistics**

The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Calculate the correlation coefficient r.
*Wednesday, September 28, 2011 at 6:05pm by milly*

**Statistics**

According to DeVeaux/Velleman, the best way to succeed in the study of statistics is to memorize definitions and learn equations? True or False I chose True
*Wednesday, August 21, 2013 at 4:09pm by Waldo*

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